// Copyright 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: MIT-0
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify,
// merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so.
// //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import { Handler } from 'aws-lambda';
import { SFNClient, StartExecutionCommand } from "@aws-sdk/client-sfn";

const client = new SFNClient({
    region: process.env.AWS_REGION,
});

// cannot be more specific than just Handler,
// since we are going to invoke the lambda directly (for testing purposes)
export const invokeSFN: Handler = async (event) => {
    console.log(`Received event: ${JSON.stringify(event)}`);

    const res = await client.send(new StartExecutionCommand({
        stateMachineArn: process.env.STATE_MACHINE_ARN,
        input: JSON.stringify(event),
    }));

    return {
        executionArn: res.executionArn,
        startDate: res.startDate,
    };
};
